<?php
/**
 * Copyright (c) 2009, Jacek Karczmarczyk
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the author nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * PHP Version 5
 *
 * @package Larchana_Db
 * @version 0.1
 * @author Jacek Karczmarczyk <jacek@karczmarczyk.pl>
 */


class Larchana_Db_Table extends Zend_Db_Table
{
	protected $_view = false;
	
	/**
	 * Sets the default name and rowClass
	 * 
	 */
	protected function _setupTableName()
	{
		$selfName = str_replace('Db_', '', get_class($this));
		$name = strtolower(Zend_Filter::filterStatic($selfName, 'Word_CamelCaseToUnderscore'));
		$this->_view = preg_match('/_view$/', $name);
		if ($this->_view) $name = preg_replace('/_view$/', '', $name);
		$name .= 's';
		if ($this->_view) $name .= '_view';
		$this->_name = $name;
		$this->_rowClass = get_class($this).'_Row';
		parent::_setupTableName();
	}

	/**
	 * Setups the primary key, for views it assumes it's an "id" column
	 *
	 */
	protected function _setupPrimaryKey()
	{
		if ($this->_view)
		{
			$this->_primary = array('id');
		}
		else
		{
			parent::_setupPrimaryKey();
		}
	}
	

	/**
	 * Find the table row by primary key
	 *
	 * @param mixed $id Primary key value
	 * @return Zend_Db_Table_Row_Abstract|null The row results per the Zend_Db_Adapter fetch mode, or null if no row found
	 */
	public function findOne($id)
	{
		$rows = $this->find($id);
		return $rows->offsetExists(0) ? $rows->offsetGet(0) : null;
	}
}
